in formosa, whichof formosa, based on collections made by mr. hans sauter during the years 1907 and...

206 Psyche [October

ADDITIONS TO THE PHORIDE OF FORMOSA(DIPTERA)I

BY CHARLES T. BRUES.

In 19112 the present writer published a list of the Phorideof Formosa, based on collections made by Mr. Hans Sauterduring the years 1907 and 1908. Several years later, in 1911and 1912 the same collector obtained an additional extensiveseries which are dealt with in the present paper. The materialhere considered, like the previous series was loaned from thecollections of the Hungarian National Museum by my goodfriend the late Dr. K. Kert6sz and the types have been returnedto the museum. The first collection contained twenty species,all but one undescribed at that time. The present one includesfifteen species of Which eight are new and seven have been pre-viously described; of the latter one is the widespread Aphiochcetapicta Lehm., another a species known from Java and sevenwere described from Formosa in my previous paper.

Thirty species are therefore at present known to occur inFormosa, distributed in the following genera: Dohrniphora (4),ttypocera (1), Conicera (1), Aphiocheta (21), Phalacrotophora(1), Mallochina (1), and Puliciphora (1). Becker has reportedthe occurence of Aphiochceta tiara Fall., A. lutea Meig. and A.pulicaria Fall., and described Aphiochceta fasciventris which isnot recognizable from his description. His Phora bicolorata is asynonym of the first species listed below.

Dorniphora egregia Brues.

Ann. Mus. Hungrici, vol. 9, p. 534 (1911). (Phor).Becker, Suppl. Entom., No. 3, p. 88 (1914) (Phora bicolo’ata).Brues, Journ. New York Entom. Soc., vol. 23, p. 184 (1915).

This is evidently common species s there re nine spe-cimens from Kuku (April, July and August) nd Tihorin(May, July, August). It occurs lso in Jw. The proboscis of

1Contributions from the Entomological Laboratory of the Bussey Insti-tution Harvard University, No. 239.

The Phoridae of Formosa. Ann. Mus. Nat. Hungarici, vol. 9, pp.530-535, 19 figs. (1911).

1924] Additions to the Phoridoe of Formosa 207

the female is strongly chitinized, twice as long as the head-height,stout and geniculate at the middle.

The chmtotoxy of the hind tibim is variable; in one malethe hind tibia bears a bristle at the basal third and one beyondthe middle, and in two of the females there is still another atthe basal sixth; a single bristle just beyond the basal third is themost common arrangement. The front and mesonotum aresometimes reddish and the hind legs may be entirely yellowish.

Dohrniphora conventa Brues.

Ann. Mus. Nat. Hungarici, vol. 9, p. 535 (1911) (Phora)

A long series of over sixty specimens representing bothsexes are in the present collection. They are from Taihoku andAnping, taken during April and May.

I))hrniphora mordax Brues.

Ann. Mus. Nat. Hungarici, vol. 9, p. 531 (1911).

A series of nearly sixty specimens of this species was ob-tained at Anping during May "from a box with papers, etc.which had been eaten by termites and containing also a rat’snest." From this it is probable that this form like several ofits congeners develops in decaying animal matter.

Phalacrotophora Enderlein

Phalacrotophora punctifrons sp. nov.

9. Length 2-2.7 mm. Fulvous yellow, mesonotum darkerand pleurae lighter below; palpi and legs testaceous; frontpiceous, yellowish near the lower margin; abdomen yellowishblack at apex with a black spot at each side of the second seg-ment and a brown one at the side of the third; first, second andthird segments with a brown streak across the hind margin,except at the sides. Wings strongly tinged with yellow, the

208 Psyche [October

heavy veins light brown, light veins darker brown. Frontslightly more than twice as high as broad. Four proclinatebristles of nearly equal size; upper pair occupying one-third thewidth of the front, lower pair one-sixth; inner bristle of nextrow near the eye-margin and well above the post-antennals,inner bristle very close to the eye and but little below the middleof the front; upper row with the lateral bristle very close to theeye, the inner bristle considerably higher, all bristles equi-distant; ocellar row of four strong bristles. Ocellar tubercleand median frontal groove distinct; vertex slightly elevated,sharp above. Front covered with sparse, rather strong seti-gerous punctures. Antennm small, nearly round, well retractedwithil: their cavities; arista bare, as long as the eye; palpismall, with rather short bristles. Postocular cilia strong, largernear the middle of the eye; cheek with two stout bristles and aseries of smaller ones between these and the antennm. Meso-notum subshining, clothed with minute silky black hairs; twowidely separated dorsocentral bristles with several long blackhairs between them. Scutellum large, semicircular, with twovery strong marginal bristles and a weak hair at each corer.Propleura with three bristles near the coxa, three weaker onesabove and a few hairs between. Mesopleura above hairy likethe mesonotum, with one stout bristle almost as long as the eyeat the lower hind angle of the hairy area. Sides of second seg-ment with a brush of stiff, bristly hairs; third segment with afew scattered black hairs behind, especially at the sides. Fourthsegment soft and membranous, very pale; following darker, butstill weakly chitinized; last segment narrow, tubular, black, withlongitudinally striated chitinous covering. Legs rather stout,the hind .pair especially so. Front tibiae with a single line ofclose-set setulm, their tarsi slender; middle tibia with a seriesof strong setulm on each side of the seam, the outer row absent,however, on the apical third; hind tibim also with two rows, theinner one slightly stronger, with about ten bristles, and theouter one with only eight as it does not exterd quite to he tipof the tibia. Hind metatarsus not noticeably thickened. Costaextending barely beyond the middle of the wing, not thickened,its cilia short and densely placed; first section one-fourth longer

1924] Addilions to the Phori&e of Formosa 209

than the other two together; third one-third as long as thesecond; second vein leaving the third at a very acute angle;third vein nearly straight, lying near to the costa; fourth veinarising at the fork, bent at the base, straight beyond; fifth bentjust before the middle, but scarcely sinuate; seventh long,nearly straight.

Type and four paratypes from Tainan, Formosa, April.This is a typical member of the genus with the long narrow

front and biseriately setulose middle and hind tibim. Two speciesof Aphiochmta known from Formosa, A. atriclava Brues and A.flaviclava may be distinguished at once by the shorter front.From Phalaczotophora jacobsoni Brues described from Java thepresent species differs most conspicuously by having the frontpunctate, not smooth and polished.

Aphiocheta Brues.

As in other parts of the world where Phoridm have beencollected, this genus is represented by more species than all theother genera of the family combined, and on account of the largenumber of Formosan species, a key has been included to faeili-t.ate their identification.

KEY TO THE FORMOSAN PECIES OF APHIOCHzETA.

1. Hind tibia with only a single row of set,e, placed justinside the posterior edge 2.

Hind tibiae with a series of set,e, sometimes only on the basalhalf, just, outside the edge, in addition to the innerseries 19.

’2. Mesopleura bare 3.Mesopleura above with a patch of bristly hairs whichsometimes includes also a large bristle 16.

3. Seutellum with two bristles 4.Seutellum with four equal, or nearly equal bristles. 1.4.

4. Costa about half as long as the wing or longer 5.Costa very short, about one-third as long as the wing

pygmcea Zett.

210 Psyche [October

10.

12.

13.

].4.

Front much shortened, twice as broad as high; four pro-clinate bristles of equal size curtifrons Brues.

Front quadrate, or with the lower proclinate bristles weakerthan the upper pair 6.

Halteres black, much darker than the mesonotum 7.Halteres pale, much lighter than the mesonotum 10.Costal vein extending far beyond the middle of the wing;

fourth vein curved forward at both base and apex;wings distinctly infuscated chipensis Brues

Costal vein not noticeably more than half the wing-length8.

Four well developed proclinate bristles, setulm of hindtibim well developed 9.

Only two proclinate bristles, the lower pair reduced to finehairs, hind tibim obsoletely setulose meracula Brues.

Costal bristles extremely minute; setlfle of hind tibimrather small me@rei Brues.

Costal bristles, larger, but rather short; setulm of hindtibim long sauteri Brues.

First section of costa longer than the second 11.Second section of costa longer than the first 13.Wings hyaline; front about as wide as high; second vein

nearly perpendicular to the costa nana Brues.Wings distinctly infuseated; front wider than high 12.Costal cilia very short and densely placed; abdominal ter-

gites normal formosana sp. nov.Costal cilia long and rather closely placed; third tergite

reduced in female pedicellata sp. nov.Middle row of frontal bristles forming a straight trans-

verse row; thorax pieeous; hind legs very slender.recta Brues.

Middle row of frontal bristles strongly curved downwardsmedially; thorax yellowish brown; legs moderately stout.

curva grue,s.Costal vein less than two fifths as long as the wing.

insulana Brues.Costal vein extending to the middle of the wing 15.

1924]

15.

16.

17.

18.

19.

20.

21.

Additions to the Phoridte of Formosa 211

Four proclinate bristles on the front; second vein enteringthe costa almost at a right angle; costa extending di-tinctly beyond middle of wing trivialis Brues.

Only two proclinate bristles; fork ofthird vein very acute;costa extending just to the middle of the wing.

brunnicans sp. nov.Scutellum with four bristles; halteres yellow, ochracea Brues.Scutellum with only two bristles; halteres black 17.Costa about half as long as the wing 18.Costa only two-fifths as long as the wing. breviuscula sp. nov.One of the mesopleurM bristles greatly enlarged; wing broad

especially at base (rmula Brues.Mesopleura with the bristly hairs all small; wing longand quite narrow simplicior Brues.

Four scutellar bristles; mesopleura bare picta Lehm.Two scutellar bristles; mesopleura above with bristly hairsand one large bristle 20.

Halteres pale 21.Halteresblack; mesonotum yellowish brown.articlaa BruesFront one-third higher than broad; wings hyaline; costa

half as long as the wing flaviclava BruesFront quadrate; wings distinctly yellowish; costa extend-

ing well beyond the middle of the wing. lanceolata sp. nov.

Aphiochmta meijerei Brues.

Journ. New York Entom. Soc., vol. 23, p. 189 (1915).

This species was described from Java. There are six spe-cimens representing both sexes from Formosa, collected atAnping during April, 1912, and at Taina.n during April, May andJune, 1912. The female does not differ essentially from themale from which the species was described.

The sete of the hind tibiae form a single row just inside theposterior edge, but those of the middle tibiae are disposed in tworows, one on each side of the hair-seam.

212 Psyche [October

Aphiochmta formosana sp. nov.

c. Length 1.7-2.1 ram. Head and thorax brown, thefront blackened, except at the edges and upper corners; ab-domen black, dull yellow on the base of the first segment.; seg-ments one to six with dull yellow posterior margins, wider onfour and five which have the middle portion brown; antennmrufous, with the tip of the third joint black; palpi yellow;pleurm dark brown above, lighter below; legs yellowish brown,the hind femora blackened at tips. Wings with a decided brown-ish tinge especially around the margins; venation deep brown;halt,eres pMe brown, eoneolorous with the lower part of thepleurm. Front distinctly wider than high; four postantennalbristles, the lower pair much weaker and closer together than theupper pair which occupy one-fifth the width of the front; innerbristle of lowest reelinate row on a level wit.h the upper proelinatebristle and midway between it and the eye, the outer bristle wellabove it and less than half as far from tile eye. Upper post-ocular cilium much enlarged, the others all strong and well-developed; cheek with a pair of strong bristles and a line of smallones extending to the antenna. Palpi with very strong bristlesat tips. Antennm rather small; arista stout, pubescent, as longas the head-height. Mesonotum distinctly shining, with onepair of dorsoeentrM bristles; seutellum nearly as long as wide,with only two bristles, placed near tile margin. Propleura withseveral minute bristles above and several larger ones below.Mesopleura bare, Second segment of abdomen with a cons-picuous tuft of bristles at the sides, much longer than the third;third to sixth gradually growing shorter. A marginal row ofshort bristly hairs on segments two t,o five; sixth with similarones on the disc. Hypopygium small, shining, with fine bristlyhairs below. Apical lamella large, orange yellow, sparsely hairy,with the two apical bristles small. Front tarsi slightly thickened,the second and following joints each but little more than twiceas long as thick, the first three together as long as the tibia.Middle tibia with a row of very weak eilia inside the posterioredge; hind pair with a stronger series of about 10-12 cilia, longestnear the middle of the tibia where they are slightly longer than

1924] Additions to the Phoridce of Formosa 213

half the width of the tibia. Wings rather narrow, especiallytoward the tip, the costa and third vein not at all thickenedapically, unusually far apart toward the base; costa just halfthe length of the wing with very short and densely placed cilia;first section as long as the second and third together; third one-t.hird as long as the second; second vein very oblique, the cellnarrow; fourth vein faintly curved near base, straight beyond;fifth and sixth each bisinuate, nearly parallel on the basal halfand strongly divergent apically; seventh almost straight. In onewing the fourth vein is furcate near the tip where it gives off anoblique forwardly directed branch, an abnormality which I havenever seen in any other Phorid.

Type, four paratype males and one female all from Taihoku,Formosa, May 1912 (Sauter).

In Imndbeck’s table of European species (Diptera Danica,Pt. 6, p. 212) this runs to A. uliginosa Wood, from which it differby the brownish wings and extremely short costal cilia. Thethorax is also much lighter colored than in the European species.It is not very similar to any described oriental species.

The female is essentially like the male, with the front tarsiequally thickened; the costa is slightly, but quite distinctlylonger than half the length of the wing.

Aphiocheta pedicellata sp. nov.

9. Length 2.0 ram. Thorax dull ferruginous, the meso-notum fuscous; legs dark brownish yellow; front black, whitishpollinose; abdomen piceous or black, the fourth segment with ayellowish stripe on each side of the median line; antennae rufo-piceous; palpi dark yellow. Wings distinctly tinged with brown,venation clear yellowish brown. Halteres light yellow. Frontbroad, fully one-half wider than high; its bristles strong, morenearly perpendicular to the surface of the front, than usual; fourpostantennal bristles, the lower pair considerably smaller andnot much more approximate than the upper which are separatedby one-fourth the width of the front; inner bristle of lowestreelinate row midway between the upper proelinate bristle andon a level with it; lateral one but little higher, close to the eye;

214 Psyche [October

upper row forming a nearly straight line, its bristles equidistant.with the lateral one close to the eye; ocellar tubercle and medianfrontal groove distinct. Antennm small, round; arista stronglypubescent, one-fourth longer than the head height. Palpi ratherlarge, with strong marginal bristles near tips. Cheeks eachwith three strong downwardly directed macrochmtm and a seriesof smaller bristles extending to the base of the antenna. Meso-notum rather long, highly convex; one pair of dorsocentral bris-tles set as far apart as the lateral corners of the scutellum.Scutelium nearly twice as broad as long, with two marginalbristles, but no trace of a second pair. Propleura with a tuft ofsmall bristles above, several more below near the coxa and aseries of minute ones between, along its posterior margin. Meso-pleura entirely bare. Abdomen with some short hairs at thesi.des of the second and third segments, but without distinctlateral tufts; first three tergites completely chitinized; fourthwith a short basal chitinized band and a very narrow medianstalk-li’ke chitinized strip, but with the sides entirely mem-branous; segments five and six chitinized as usual (these may bethe sixth and seventh if two segments are included in the struc-ture described above as the fourth, which I think may possiblybe the case); next segment short and very narrow, pale; lastnarrow, tubular, black. Legs rather slender; fore tarsi slightly,but distinctly thickened, the second and following joints butlittle more than twice as long as broad. Cilia of hind tibia in asingle row, rather delicate, the larger ones near the middle ofthe tibia about two thirds as long as its width; internally at thetip the hind tibia bears three comb-like transverse rows of minutebristles. Costa extending to distinctly beyond the middle of thewing, its bristles long and rather closely placed; first sectionbarely longer than the second; third nearly half as long as thesecond (22:19:9); fork of third vein not very acute, the cellrather large; fourth vein strongly curved near base, more weaklyso beyond, recurvcd at the extreme base; fifth nearly straight;sixth weakly bisinuate, seventh faintly curved.

Type from Taihorin, Formosa, July, 1911 (Sauter).This is a very distinct species, resembling the Formosan A.

curtifrons Brues, from which it differs by the long costal cilia.

1924] Additions to the Phoridve of Formosa 215

Th ereduction of the abdominal tergites is somewhat similar tothat of several European species, a character formerly overlooked,but recently described by Lundbeck and Schmitz.

Aphiocheta insulana Brues.

Ann. Mus. Nat. Hungarici, vol. 9, p. 542 (1911).

There are upwards of 150 females from Anping, Formosa,April to June, 1912. The species varies greatly in size, rangingfrom 1.4 to fully 2 ram. in length.

This species resembles A. curtineura Brues from the Philip-pines, but there are four strong scutellar bristles, instead of twoand the mesoplcura is bare; the propleura bears a large, cons-picuous bristle at its posterior angle just below the spiracle.

Six males in the collection, also from Anping, possibly rep-resent the other sex of this species. They are much darker withthe thorax fuscous and the legs dull brown. The abdomen isblacki with narrow apical whitish bands at the apices of all thetergites. The scutcllum bears only two bristles. If these shouldprove to be the male, the species must be like a few other mem-bers of the genus dimorphic, the males having two and t.hefemales four scutellar bristles.

Aphiocheta brunnicans sp. nov.

9. Length 2 mm. Thorax above brownish yellow; frontpiceous, somewhat lighter below; abdomen black, with verynarrow pale posterior borders on segments 1 to 4; antennapiceous; palpi pale yellow; pleura fuscous, much paler below;legs light brownish yellow, tips of hind femora blackened; hal-teres pale brownish; wings distinctly tinged with brownish yel-low, the venation fuscous, the discal veins heavy. Front quadrateor barely wider than high; ocellar tubercle and median groovepresent. Only two proclinate postantennal bristles, but these arelarge and strong, set half as far from one another as from theeye-margin; inner bristle of lowest reclinate row on a level withthe proclinate bristle and midway between it and the eye-margin,

216 Psyche [October

the outer bristle close to the eye and only slightly higher than theinner one; middle row of four equidistant bristles the lateralones very close to the eye and set distinctly higher than themiddle ones; ocellar row of four bristles, uppermost postocularcilium very much enlarged, directed upward and inward, lowercilia somewhat enlarged; cheek with a pair of macrochmtm; aseries of four strong bristles between them and the base of thentennm; antennm of moderate size, with a stout pubescentarista as long as the head-height. Palpi rther large, closely andstrongly bristled. Mesonotum quite shining; with a bristle abovethe spiracle and two dorsocentral macrochmtm; scutellum nearlytwice as wide as long, with four large bristles behind, the lateralpair distinctly smaller, but still well developed. Propleurabristly above, along the posterior margin, nd with three ratherstrong bristles just above the coxa. Mesopleura bare. Abdo-men with segments two to six of nearly equal length, the second.at the sides with a very noticeable tuft of bristles; sixth at thetip with a fringe of bristly hairs; all tergites fully chitinizedLegs moderately stout, but not thickened; anterior tarsi slendermiddle tibim with a series of extremely minute cilia just insidethe posterior edge; hind tibia with a similar series of rathersmall cilia which are stronger near the middle and weaker atbase and apex. Costa extending just to the middle of the wing,with rather short, very closely placed cilia; first section slightlylonger than the other two together; second three times as longas the third, the second vein leaving the third at a very acuteangle, so that the lower side of the cell is twice as long as theupper; fourth vein curved at the base, but almost straightbeyond, originating distinctly beyond the fork of the third vein;fourth and fifth very slightly sinuous; seventh faintly curved;wing large and rather narrow. Halteres brownish yellow.

Type from Tiahoku, Formosa, April 1912 (Sauter).This species resembles A. humeralis Zett, but differs in the

weak cilia of the hind tibia, very much higher front and non-thickened costa. From A. rubricornis Schmitz it differs by theabsence of the lower postantennal bristles, weaker cilia of thehind tibiae and in the course, of the fourth vein. From A. errataWood it differs by the longer first costal division and absence of

1924] Additions to the Phoridce of Formosa 217

a distinct intraalar bristle. Among the previously known For-mosan species it resembles trivialis Brues most closely, but differsconspicuously in color and wing venation.

Aphiochmta ochracea Brues.

Ann. Mus. Nat. Hungariei, vol. 9, p. 543 (1911).

There is an additional female from Taihoku, April 1912(Sauter). This specimen differs from the type, which was fromTakao, in having the abdomen generally blackened above, butI can find no structural differences.

Aphiochmta breviuscula sp. nov.

c. Length 1.3 mm. Dark brown or piceous, the head. andabdonen darker, almost black, and the pleurm lighter below;legs yellowish brown, the hind pair much infuscated and thefront pair much lighter; antennae piceous; palpi pale yellow;apical lamella of hypopygium yellowish brown; halteres verydark brown or black. Wings hyaline, veins piceous, the thinveins very distinct. Front very slightly higher than broad,with the ocellar tubercle and median frontal line distinct.Four proclinate post-antcnnM bristles of very nearly equal size;upper pair more than twice as far apart as the median ones,midway between the median line and the eye margin and on alevel with the inner bristle of ,he row above; outer bristle oflowest reelinate row next to the eye, the inner one well below itand twice a,s far from it as from the eye-margin; upper frontalrow of four equidistant bristles with the lateral ones very closeto the eye, curved downwards medially; median pair of theoeellar row very large, two-thirds as long as the height of thefront. Cheek with three stout bristles. Antennae small; aristadensely pubescent, one-fourth longer than the front.. Palpi ofmoderate size, with rather strong bristles. Mesonot.um quiteshining, closely and finely hairy over its entire surface. Onepair of dorsoeent,ral bristles, without any smaller bristles betweenthem. Seutellum twice as broad as long, with one pair of very

218 Psyche [October

large bristles, much stronger than the dorsocentrals, but withno trace of the second pair. Second abdominal segment slightlylengthened; third to sixth of equal lengt.h; dorsum and sideswithout hairs or bristles, except for some small hairs on the sixthsegment. Hypopygium smooth, without bristles; apical lamellaof moderate size, with two upturned bristly hairs at tip; whenwell extruded the hypopygium shows two large ventral hook-shaped pieces and one or two long slender curved bristles belowand above near the base. Propleura with several stout bristlesjust above the coxa and one very small one above near thespiracle; mesopleura with a patch of bristly hairs above andone very large backwardly directed bristle at the lower posteriorcorner of the bristly area. Wing rather broad, evenly oval.Costa two-fifths as long as the wing, closely cilinte, the ciliashort at base, but apically somewhat longer than the secondcostal division; first division one and one-half times as long asthe other two together; second barely longer than the third;second vein rising abruptly to the costa; third vein very widelyseparated from the costa at the base; fourth Vein weakly andevenly curved, recurved at extreme trip; fifth weakly bisinuate,ending as far from the wing tip as the fourth; sixth stronglybisinuate; seventh curved, long. Front legs with the tarsithickened, the metatarsus nearly as thick as the tibia; middletibia with six or seven very small setm on basal three fourths;hind tibia witl . series of about eleven, very minute basnlly butlonger beyond the middle of the tibia; hair-seam along theposterior edge curved outwards toward the tip.

Female essentially like the male, but larger, 1.5 ram. inlength; dorsal abdominal plates, including that of the thirdsegment of full width.

Male type and five paratypes and two females from Anping,Formosa (Sauter) collected during April and May 1912.

On account of the bisetose scutellum, very short costa andbristly mesopleura with one large bristle this species is close tothree European species described by Wood. From A. hirsuta itdiffers by the pale palpi; from A. spinata by the long costalcilia and shorter first section of costa; and from .A. pectoralisby the pale palpi. These species are widely separated in Wood’s

1924] Additions to the Phoridae of Formosa 219

tables, but Lundbeck has grouped them together with a few otherEuropean species on the basis of the two scutellar bristles, veryshort costa and the enlarged bristle with a patch of small oneson the mesopleura above.

Aphiochmta simplicior sp. nov.

c. Length 1.9 mm. Black, the lateral margins of themesonotum fuscous; pleurm fuscous above, yellowish brownbelow; front legs light brownish yellow; middle and hind onesmuch darker, fuscous, with the posterior surface of the tibimalmost black; palpi and terminal lamella of hypopygium honeyyellow or brownish. Wings strongly tinged with brown, venationpiceous. Halteres black. Front about one-fourth wider thanlong; four post antennal bristles, all large, but the upper con-siderably stronger and placed unusually far above the lowerones; upper pair separated by a little more than one-third ofthe width of the front, the lower pair half as far apart; bristlesof lowest reclinate row rather close together at the side of thefront, their bases indicating a line 45 from the vertical; lateralone on a level with the upper postantennal and very close to theeye; next row above of four equidistant bristles forming a linethat curves slightly downward at the middle; ocellar row largeand strong like the others; occllar tubercle and median frontalgroove well developed, the surface of the front slightly pollinose.Antennm rather large, oval; arista slightly longer than the headheight, very thinly pubescent. Palpi with long stout bristlesapically. Cheeks each with three strong downwardly directedbristles and a row of short ones between these and the antenna.Mesonotum rather shining, almost bare in front; highly convex;one pair of dorsocentral bristles, with irregular bristly hairs be-tween them. Scutellum rather long, scarcely twice as broad aslong, with two large marginal bristles and two microscopic hairs.Propleura with four bristly hairs above and four longer onesbelow, but with none between these. Mesopleura above with apatch of bristly hairs, but without any greatly enlarged bristlesalthough those near the posterior inargin are distinctly larger.Abdomen with he second and sixth segments slightly length-

220 Psyche [October

ened; second with a very inconspicuous tuft of minute bristleslaterally, otherwise the first four segments are practically bare;fifth and sixth with scattered fine bristly hairs. Hypopygiumsmall, almost bare. Wings long and quite narrow; costa ex-tending to barely beyond the middle, the costa and second veinclose together; costal cilia closely placed and rather short, aboutthree times as long as the thickness of the costa; first section aslong as the second and third together, the third fully half aslong as the second; fork of third vein acute; fourth vein gentlyand evenly curved, with recurved tip; fifth almost straight;sixth very weakly sinuate; seventh gently curved. Legs ratherslender; front tarsi not thickened. Middle tibia with ddlicatebut distinct setule; those of the hind tibia rather strong, in asingle line iust inside the seam; hind metatarsi conspicuouslyspinose beneath.

Type from Taihoku, Formosa, April 1912 (Sauter).This species resembles the f’ormosan A. canaliculata Brues

in the mesopleura; and wings, but differs by the different pro-portions of the costal divisions and much shorter costal cilia.Among the European species it will run to A. armata Wood inLundbeck’s table (Diptera Danica, pt. 6, 1). 219) from which itdiffers by the brown wings, darker palpi, shorter first costaldivision, and concealed ventral process of hypopygium.

Aphiochmta picta Lehmann.

A single female of this species from Kankau, July 1912, con-siderably extends the range of this species which is already knownfrom Europe, North America and southern Africa.

Aphiochmta lanceolata sp. nov.

9. Length 1.5 mm. Head, thorax and legs in great partbrown; abdomen black. Front yellowish below, infuseated.above, the ocellar triangle black; antennm deep yellow, darkerat apex; palpi pale yellow; mesonotum fuscous, lighter behindand yellowish on the sides behind the wings. Pleurae and fourposterior coxm light fuscous; front legs yellowish, middle ones

192zt] Additions to the Phoridce of Formosa 221

more brown and hind ones darkened beyond the base of thefemur; wings distinctly yellowish, venation light brown. Frontquadrate; median line and ocellar tubercle distinct; four largepostantennal bristles, the lower ones slender, close together;upper ones widely separated, as far from the median line asfrom the eye-margin, well above the lower ones and on a levelwith the inner bristl of the lower reclinate row which is close tothe eye margin and directly below the lateral bristle; next rowof four equidistant and distinctly bowed downward medially.Antennw. small, arista nearly bare, scarcely one half longer thanthan the head-height. Palpi with strong bristles below. Cheekseach with two downwardly directed bristles and a row ofs(;veralsmaller ones extending toward the antenna. Mesonotum sub-shining, with one pair of dorsocentral bristles and a strong bristleat the lateral margin just anterior to them; scutellum one-halfbroader than long, with only two bristles. Propleura with a fewscattered minute hairs and three bristles at the base of the an-terior coxa; mesopleura finely bristly above, with one largebackwardly directed bristle inserted at the upper posteriorangle. Abdomen with the third segment elongated, one-halflonger than the second which has a small tuft of long bristles atthe sides; fourth segment not abbreviated; ovipositor pale yel-lowish. Anterior tibiw, without setule, their tarsi slender; mid-dle tibiae weakly setulose inside the seam and with a row ofsetula outside the seam on the basal half; posterior ones similiar,but the setule are moderately strong in both rows, numberingseven or eight and being over half as long as the width of thetibia. Wings very narrow; costal vein extending well beyondthe middle, wit.h very short and fine, closely placed bristles;first section as long as the second and third together, the thirdnearly half as long as the second. Third vein running nearlyparallel to the costa, but a.pproaching it mo,’e rapidly beyondthe fork which forms a very acute angle; fourth vein curvedonly at the base, ending no nearer to the wing-tip than the fifth;fifth, sixth and seventh nearly straight. Halteres yellowishwhite.

Type from Taihorin, Formosa, July 1911 (Sauter).This species is related to A. ciliata Zett and the several

222 Psych’e [October

similar palmarctic species, and especially to A. flavescens Wood,from which it differs at once in having the fourth abdominalsegment of normal size in the female. From all the members ofthis group it may be separated by the presence of the secondseries of setm on the hind tibia.

Mallochina sauteti sp. nov.

c. Length 1.0 mm. Black, slightly brownish on thepleurm and the sides of the mesonotum in front; legs brownishyellow, the hind pair considerably darker; pMpi pale yellow;antenn.m brownish basally, but black at tips; dorsal lamella ofhypopygium fuscous. Wings hyaline, heavy veins dark brown,light veins very delicate; hMteres piceous. Front quadrate orslightly higher than broad, with three transverse rows of fourbristles each and four post-antennal bristles. Upper post-antennals occupying one-third the width of the front; lowerones smaller and closer together; bristles of lower reclinate rowforming a pair at each lower angle of the front, the inner one ona level with the upper post-antennal and almost directly belowthe outer bristle, although not quite so close to the eye; upperrow slightly curved downwards medially, its bristles equidistant;ocellar row as usual; ocellar tubercle and median frontal groovepresent. Antennm of moderate size; arista nearly bare, as longas the head-height. Palpi small, with the usual bristles of mod-erate size; cheeks each with a pair of very large bristles. Meso-notum distinctly shining, with one pair of small, widely separateddorsocentral bristles close to the posterior margin. Scutellumtwice as broad as long with a single pair of very long bristles.Propleura with two minute bristles just above the coxa; meso-pleura hairy above, with one or two small bristles at the lowerposterior corner of the patch of hairs. Abdomen with the fifthsegment slightly elongated; upper surface bare, no hairs at thesides of the second segment. Hypopygium minutely bristlyat the sides and below. Legs slender, the front tarsi somewhatstouter than usual, but not greatly thickened, the metatarsusmuch narrower than the tibia. Middle and hind tibim withdistinct hair-seam along the upper edge, and with a single row

1924] Additions to the Phoride of Formosa 223

of extremely delicate setulm. Single spur of middle tibia morethan half as long as the metatarsus; spur Of hind tibia muchshorter. Costa barely, but distinctly less than half the lengthof the wing; cilia rather short and sparse, with about 15 in eachof the two rows. First section of costa almost twice as long asthe second; first vein unusually slender; second not forked attip, slightly thickened on its apical half, fourth vein gently andevenly curved, fifth and sixth weakly bisinuate; seventh nearlystraight.

Type and paratype from Anping, Formosa, April 1912.Named in honor of Mr. H. Sauter whose vast collection ofinsects from Formosa hav.e enormously increased our knowledgeof its fauna. A third specimen (Anping, May 1912) withouthead probably belongs here also.

This species is closely related to M. exempta Beckcr, thetype and only species of Mllochinu. It differs in the quadratefront, more slender front tarsi, longer cost nd comparativelylonger first costul division.

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in formosa, whichof formosa, based on collections made by mr. hans sauter during the years 1907 and...

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